
Paying off your home loan faster is boring, which is why people overcomplicate it
A lot of people look for the magic home loan hack.
Weekly repayments, fortnightly repayments, offset tricks, redraw strategies, credit card points, some bloke on the internet selling a course with a whiteboard and too much confidence.
Some of these things can help, but the basic mechanic is usually much simpler than people think.
A home loan is basically a massive negative account.
You owe the bank money. Your repayments push the balance down. The bank charges interest, which pushes the balance back up.
For most standard home loans, interest is calculated daily and charged monthly. That means the bank is generally looking at your loan balance each day, calculating interest on that balance, then charging the interest monthly.
So the whole game is pretty simple:
How do you keep the effective balance lower each day?
That’s what extra repayments do. That’s what offset accounts do. That’s what putting money into the loan sooner does. That’s what keeping repayments higher after a refinance can do.
They are all just different ways of attacking the daily interest calculation.
Where first home buyers often get stuck is thinking there are separate buckets. They ask things like, “Can I pay the interest first?” or “Can I make my repayment go to principal?”
On a normal principal and interest loan, that’s usually the wrong mental model.
Think of it more like a bill. The bank has calculated a minimum repayment that should clear the loan over the loan term, usually 30 years. You make the repayment, the loan balance comes down. The bank charges interest, the balance goes back up a bit.
At the start, the balance is huge, so the interest charge is huge. That means more of your repayment is effectively covering interest, and less of it is reducing the loan.
Later, as the balance gets smaller, the interest charge gets smaller, so more of the same repayment starts attacking the actual debt.
That’s why home loans feel painfully slow at the start. It’s not because there is some mysterious “interest first” bucket. It’s just because the balance is big.
This is also why offset accounts are useful.
If you have a $600,000 loan and $50,000 sitting in offset, the bank is effectively calculating interest as though you owe $550,000. Your repayment usually does not drop, but the interest charged should be lower, which means more of your repayment can go towards reducing the loan.
Again, not magic. Just less interest charged, more principal paid down.
This is also why I think people sometimes overrate the weekly vs fortnightly vs monthly repayment conversation.
If you do not have an offset, paying money into the loan earlier can help because the balance drops earlier. But if your income and savings are already sitting in an offset account, that benefit is already mostly happening. The money is already reducing the daily interest calculation.
At that point, the bigger question is not really “am I paying weekly or fortnightly?”
It’s whether you’re actually keeping surplus money against the loan, or just moving money around and spending it anyway.
That’s where people get caught. They make extra repayments, then redraw constantly. They refinance to a lower rate, but reset the loan back to 30 years and drop the repayment. They get a pay rise, but the whole pay rise quietly disappears into lifestyle creep.
The boring stuff usually does most of the work:
- keep spare cash in offset if you have one
- pay more than the minimum where your budget allows
- don’t redraw unless you actually mean to
- be careful resetting the loan term
- keep the effective loan balance lower for as long as possible